Description

(5S)-5-Methyl-2-pyrrolidinone is a high-purity, chiral lactam derivative of 2-pyrrolidinone. This compound is valued as a versatile chiral building block and solvent in advanced synthetic chemistry, offering a defined stereocenter for the production of enantiomerically pure substances. It is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries who require high stereochemical control in their processes.

Application

• As a chiral intermediate in the asymmetric synthesis of active pharmaceutical ingredients (APIs).
• Utilized as a specialty solvent for high-performance polymers and resins.
• Employed in the research and development of agrochemicals and fine chemicals.
• Serves as a precursor for the synthesis of N-methyl-2-pyrrolidone (NMP) analogs and other functionalized lactams.
• Used in organic synthesis as a building block for heterocyclic compounds.
• Potential application as a solvent or additive in lithium-ion battery electrolytes.

Basic Information

Product Name	(5S)-5-Methyl-2-pyrrolidinone
CAS No.	1558-60-7
Molecular Formula	C5H9NO
Molecular Weight	99.13 g/mol
Synonyms	(S)-(-)-5-Methyl-2-pyrrolidinone; (S)-5-Methylpyrrolidin-2-one; L-5-Methyl-2-pyrrolidinone; (-)-5-Methyl-2-pyrrolidinone; (S)-5-Methyl-2-pyrrolidone; (5S)-5-Methylpyrrolidin-2-one; 2-Pyrrolidinone, 5-methyl-, (5S)-
EINECS	Contact for details

Quality Control

Our (5S)-5-Methyl-2-pyrrolidinone is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity assessment by HPLC, to ensure it meets the high standards required for research and industrial use. A Certificate of Analysis (COA) detailing identity, purity, and specific impurities is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Chiral Purity (HPLC)	≥ 99.0% ee
Water Content (KF)	≤ 0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.